J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Chemsky (shanghai) International Co.,Ltd
Telephone021-50135380
Websitehttp://www.shchemsky.com
Chengdu Kamel Pharmaceutical Co., Ltd
Telephone028-67136579 15828051124
Websitehttp://www.kamelpharm.com/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684;
Websitehttps://www.rrkchem.com
Energy Chemical
Telephone400-0056266
Websitehttp://www.energy-chemical.com
Chengdu Grimet Pharmaceutical Technology Co., Ltd
Telephone17308078590; 15928855497
Website
Shaanxi Didu Pharmaceutical Co., Ltd.
Telephone029-81124775 17791530730
Website
LGC Science (Shanghai) Ltd.
Telephone17717235263 17717235263
Websitehttps://www.lgcstandards.com/CN/en/